大家好,我是Phpstudy的开发者猪哥。

Phpstudy是我个人业余时间开发并维,针对phpstudy 后门事件,在这里做一下澄清,这个事件早在2018年12月案件相关网警就已经在公司进行调查,取证,已证明与phpstudy官网无关,软件是被不法分子二次修改。再上传到其他下载站。大家只要官网下载的就不会有问题。

具体声明: 链接

openssl_cipher_iv_length

openssl_cipher_iv_length

(PHP 5 >= PHP 5.3.3)

openssl_cipher_iv_lengthGets the cipher iv length

说明

int openssl_cipher_iv_length ( string $method )

Gets the cipher iv length.

参数

method

The method.

返回值

Returns the cipher length on success, or FALSE on failure.

错误/异常

Emits an E_WARNING level error when the cipher algorithm is unknown.

范例

Example #1 openssl_cipher_iv_length() example

<?php
$method 
'AES-128-CBC';
$ivlen openssl_cipher_iv_length($method);

echo 
$ivlen;
?>

以上例程的输出类似于:

16

  • openssl_cipher_iv_length
  • openssl_csr_export
  • openssl_csr_export_to_file
  • openssl_csr_get_public_key
  • openssl_csr_get_subject
  • openssl_csr_new
  • openssl_csr_sign
  • openssl_decrypt
  • openssl_dh_compute_key
  • openssl_digest
  • openssl_encrypt
  • openssl_error_string
  • openssl_free_key
  • openssl_get_cipher_methods
  • openssl_get_md_methods
  • openssl_get_privatekey
  • openssl_get_publickey
  • openssl_open
  • openssl_pkcs12_export
  • openssl_pkcs12_export_to_file
  • openssl_pkcs12_read
  • openssl_pkcs7_decrypt
  • openssl_pkcs7_encrypt
  • openssl_pkcs7_sign
  • openssl_pkcs7_verify
  • openssl_pkey_export
  • openssl_pkey_export_to_file
  • openssl_pkey_free
  • openssl_pkey_get_details
  • openssl_pkey_get_private
  • openssl_pkey_get_public
  • openssl_pkey_new
  • openssl_private_decrypt
  • openssl_private_encrypt
  • openssl_public_decrypt
  • openssl_public_encrypt
  • openssl_random_pseudo_bytes
  • openssl_seal
  • openssl_sign
  • openssl_verify
  • openssl_x509_checkpurpose
  • openssl_x509_check_private_key
  • openssl_x509_export
  • openssl_x509_export_to_file
  • openssl_x509_free
  • openssl_x509_parse
  • openssl_x509_read
  • PHP MySQL HTML CSS JavaScript MSSQL AJAX .NET JSP Linux Mac ASP 服务器 SQL jQuery C# C++ java Android IOS oracle MongoDB SQLite wamp 交通频道

    无数据提示还没有评论,楼主喊你快去抢前排~~~我要评论
    微信扫码登陆

    打开 微信
    扫一扫登录